View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.Incoloy alloy 028 is a highly alloyed austenitic stainless steel offering resistance to a variety of corrosive media. Alloy tubes can be cold worked to high strength levels for downhole service in moderately corrosive deep sour gas wells.